Florida State Senator representing parts of Broward County (2016-2024) who served as Senate Minority Leader from 2021 to 2024. A childhood sexual abuse survivor, Book founded Lauren's Kids in 2007 to advocate for stronger protections for children and harsher penalties for sex offenders. She became one of the most active Florida legislators pushing for accountability in the Epstein case, writing to Governor Ron DeSantis in 2019 requesting an investigation into how the Palm Beach County Sheriff's Office handled Epstein's work release program.
As Minority Leader, she credited the Miami Herald and abuse survivors for forcing the release of a 2006 state grand jury investigation into Epstein. Book was reportedly threatened over her Epstein investigation. Named on the DOJ February 2026 list of 305 politically exposed persons.